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Post by Deleted on Nov 29, 2009 17:49:46 GMT
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Post by Deleted on Nov 29, 2009 17:54:17 GMT
Very nice! If I may ask, how long and at what temperature did you temper the blade?
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Post by Deleted on Nov 29, 2009 18:01:10 GMT
Thanks CFan. I tempered at about 470F for an hour and a half.
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Post by wiwingti on Nov 29, 2009 18:14:16 GMT
Oh man, i love it  |
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Post by Deleted on Nov 29, 2009 18:58:00 GMT
470? Man, that gives a hardness of 58HRC!! Isn't that a bit too high for a TH blade? I'm still figuring out how high I should temper my blades. I just saw one that was tempered at 350°C twice and that one was SOFT. It really surprised me because it should have given about 52HRC which is the same as my H/T longsword but it actually was much softer.
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Post by Deleted on Nov 29, 2009 19:30:53 GMT
Just because you heat something up and quench it in something else, doesn't mean you always will hit the top Rockwell values, so unless you have a rockwell tester using a chart is mostly a guessing game. It might bet at 58, could be 5 points lower or a few points higher. Sword hardness is a personal decision, based on understanding of the steel you are using, heat treating methods both in how it is heated up and how and what it is quenched into and geometry etc. as well as what you want to do with the sword. I don't have a rockwell tester, so I can only trust that I err to the side of caution with processes used based on experience, IE i know that if I heat and quench in the mediums I use then temper at 470F + or - 10 degrees I will get a moderately tough sword that holds a great edge.
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Post by Deleted on Nov 29, 2009 19:32:48 GMT
Specs are:
35 3/8" overall
26 3/8" blade including the integral habaki
25" of "blade" not including the integral habaki
8 3/4" of grip
1/2" of sori
Thanks wiwingti!
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Post by genocideseth on Nov 29, 2009 19:34:25 GMT
470? Man, that gives a hardness of 58HRC!! Isn't that a bit too high for a TH blade? I'm still figuring out how high I should temper my blades. I just saw one that was tempered at 350°C twice and that one was SOFT. It really surprised me because it should have given about 52HRC which is the same as my H/T longsword but it actually was much softer. Don't worry, I think Sam's judgment could be trusted.  Sam: Awesome! This is by far, THE best tactical katana I have seen yet! |
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Post by Deleted on Nov 30, 2009 1:25:56 GMT
That looks great man, what glue did you use to secure the leather slabs?
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Post by Deleted on Nov 30, 2009 2:12:47 GMT
I am not particularly fond of katana (or is it katana's'?), but this looks very nice. Do you know how much it weighs?
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Post by shadowhowler on Nov 30, 2009 2:18:15 GMT
Looks like a TOUGH, no nonsense all buissness cutting sword... I would love to cut the crap out of something with that baby. Very nice.  +1 for you sir. |
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Post by Deleted on Nov 30, 2009 4:19:40 GMT
Looks like a TOUGH, no nonsense all buissness cutting sword... I would love to cut the crap out of something with that baby. Very nice. +1 for you sir. Words right out of my mouth. Well, brain actually (although I sometimes do talk at my moniter...) |
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Post by Deleted on Nov 30, 2009 4:35:23 GMT
Best tac I've ever seen, Sam! Really wonderful tsuka, the waist gives it elegance. Would love to handle this one.
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SlayerofDarkness
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Post by SlayerofDarkness on Nov 30, 2009 4:38:55 GMT
Very nice!  I'd love to get something like that one o' these days... Everybody needs a good tac kat, you know? ;D -Slayer EDIT: Spelling. Or lack of it.  lol |
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Post by Deleted on Nov 30, 2009 16:35:39 GMT
Nice, very nice Sam...gonna do some cutting vids with that?
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Post by Deleted on Dec 1, 2009 3:21:27 GMT
Thanks everyone, glad you all like it. roflcopter, just plain superglue from wal mart. I had some super thin cyanoacrylate glue from a hobby store that soaked in better and dried quicker, I will have to get some more. No cutting vids, no access to a camera. I bet it weighs less than 2 pounds, I will weight it tomorrow at work. It is my new fun sword |
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+1 for you sir.
lol
